I've already mentioned the inherent unpredictability of which cards you'll draw
[14] In the Duel Monsters anime Shortly after his return from the Duelist Kingdom, the Big Five attempt to appease an outraged Kaiba by revealing they have finalized his virtual reality game software, and invite him to test it out for himself
Once it turns sideways, you could be taking 4 or 5 damage out of seemingly nowhere, and blocking Arabella wont help a whole lot
If quantity is the same, a random sealed Short Pack Booster Box will have a slightly better chance of containing no rarity cards than a sealed case of 104-01 Starter Deck given the date ranges
Considering Im a big mill and discard fan, this is getting my gears going big time
Our opponents wont know which mode were choosing until we put the triggered ability on the stack, although I suppose theres some political play likely to happen here